Bobbin and spindle construction



w. H. MILLER BoBBIN AND SPINDLE CONSTRUCTION June 16, 1959 2 Sheets-Sheet 1 Filed Feb 15, 1952 l2 A V---" JNVENTOR. WM. A( lll/LER 20% )1. ATTORNEYS l.. 'I L 4l 50 P E 3 A 4 y wf H 9 3 3 June 16, 1959 w. H. MILLER BOBBIN AND SPINDLE CONSTRUCTION 2 Sheets-Sheet 2 Filed Feb. 13, 1952 uT v/// R. a m .mm 3 VR a a mw.. @w M F. m n H. M. .WYW B 2,890,566 Patented June 16, 1959 2,890,566 BOBBIN AND SPINDLE CONSTRUCTION William H. Miller, Hazleton, Pa., assigner to Cloverleaf- Freeland Corporation, Hazleton, Pa., a corporation oi Pennsylvania Application February 13, 1952, Serial No. 271,330 S Claims. (Cl. 57-129) This invention relates to an arrangement embodying bobbin and spindle constructions which support, position and drive the bobbin in a new and improved manner.

The present invention makes it possible to produce bobbins at a cost far below the cost of production heretofore prevalent and yet provides an arrangement which although simple is highly eicient in supporting and properly positioning the bobbin on the spindle and providing an adequate and ei'Hcient driving connection between the bobbin and the power driven spindle.

The arrangement presents a bobbin or spool suitable for use in a wide variety of textile operations and particularly in the spinning or twisting of yarns of different characters such as cotton, wool, silk or synthetic materials.

The arrangement in the accompanying drawings is illustrated with the bobbin and spindle disposed in perpendicular positions but the arrangement and the inventive concept is such that they could be disposed in a horizontal plane.

One inventive concept hereinafter described is that of supporting the bobbin or spool on the spindle and providing a driving connection between the outer or upper end of the spindle and the underside of the outer or upper end of a cap or plate forming a part of a head at the outer or upper end of the bobbin. Various specific constructions can be conceived embodying the inventive concept and a number of these are illustrated in the accompanying drawings and are described hereinafter but departures from the arrangements and constructions illustrated and described can be made Without departing from the inventive concept.

The arrangement is such that it can be used with either a straight or -a tapered spindle. It is also such that spindles as now commonly constructed can be utilized by associating with them adaptors or conventional spindle constructions can be modified by making the adaptor constructions an integral part of the spindles.

In the drive connection the constructions illustrated embody interlocking male and female elements and the disposition of these on the spindle or adaptor and the bobbin cap or plate can be in accordance with desire, that is, the male element can be on the bobbin cap or plate or can be on the spindle or adaptor in accordance with desire.

The constructions comprising the improved arrangement are extremely simple which fact makes production extremely cheap in comparison with constructions now known and used.

The construction does not require the utilization of any specific material other than that the material be suciently strong to produce a serviceable arrangement. The bobbin caps or plates may be secured in position in the bobbin in any of a plurality of manners as for instance, a press t; by a suitable bond; by a suitable weld; or by being threaded into theend of the barrel of the bobbin. y

The construction of the arrangement is such that it is substantially trouble-free in service and in the event the bobbin caps or plates develop wear at the hole of the flyer -ferrule they can be removed and replaced with new ones Without destroying the bobbin.

The many advantages and novel features of the construction and arrangement will appear in and be understood from the following description when read in the light of the accompanying drawings.

In the drawings:

Fig. l is a sectional view through one form of bobbin and adaptor embodying the inventive concept, the bobbin and adaptor being mounted on a tapered type spindle.

Fig. 2 is a top plan view of the adaptor of Fig. 1.

Fig. 3 is a perspective view of the bobbin drive and supporting cap of Fig. 1.

Fig. 4 is a sectional view through another form of bobbin and adaptor embodying the inventive concept, the bobbin and adaptor being mounted on a straight type spindle.

Fig. 5 is a top plan view of the adaptor of Fig. 4.

Fig. f 6 is a perspective view of the upper end of the adaptor and the bobbin drive and supporting -cap of Fig. 4.

Fig. 7 is a 'fragmentary view, partly in section, of the upper end of a bobbin and adaptor embodying a still further form of the invention.

Fig. 8 is a horizontal sectional -view on the line 8-8 of Fig. 7 looking in the direction indicated by arrows.

Fig. 9 is a View in side elevation, a part thereof being in section, of a 'still further `form of the invention, the adaptor being made in two pieces.

Fig. l0 is a sectional View through the upper end of an adaptor and bobbin of a still further form embodying the inventive concept.

Fig. 11 is a sectional View through the upper end of an adaptor yand bobbin of a still further form of the invention.

Fig. 12 is a sectional view, partly in side elevation, of a still further form of the invention wherein the adaptor is made unitary with the spindle.

Fig. 13 is a sectional vew illustrating the invention in combination with a pirn bobbin.

Fig. 14 is a horizontal sectional View on the line 14-14 of Fig. 13 looking in the direction indicated by arrows.

Fig. 15 is a fragmentary sectional view of -a modified form of the invention in combination with a pirn bobbin.

In the accompanying drawings illustrating numerous constructional embodiments of the inventive concept the arrangement is illustrated in use with both straight and tapered spindles and `the use of adaptors as' separate individual elements and spindles modified to include as an integral part a construction which could be in the form of a separate adaptor. In respect to those forms of the invention where the adaptor is a separate element these are, in the use of the invention, placed on the spindles as though they were a part thereof and the bobbin only is inserted `on and removed from the spindle. A textilemill would utilize and purchase only one adaptor for each spindle with which all of the proper spools or bobbins needed would be used.

inasmuch as certain parts of the bobbin and the spindle are of identical construction in numerous forms of the invention like reference numerals and characters are u-sed to designate these parts throughout the description and drawings. i

Describing the `construction appearing in Figs.l 1-3 of the drawings, A is a tapered spindle provided at its inner end with a conventional whorl 1 by which the spindle is rotated about its longitudinal axis by some suitable power means, as for instance a belt, not shown. Drive means for spindles in the textile industry are well known and description in respect to this which forms no part of the present invention is unnecessary. An. adaptor B is mounted on the spindle and due to the tapered nature of the spindle the adaptor will rotate therewith. The barrel C of a bobbin is mounted on the adaptor. There is 'a close but not snug fit between the bobbin barrel and the adaptor. In usual practice the clearance between them would run between three and rive thousandths of an inch. Bobbins or spools conventionally are provided at each end of their barrels with heads. cie arrangement the inner end of the barrel is provided with a ange constituting a head D and the outer end of the barrel is provided with a similar flange constituting a head E. These heads can be secured in place in numerous manners `and in the present particular instance are secured in place by rolling over the ends of the barrel as indicated at 2 and 3. At its outer or upper end the bobbin head might be said to comprise two parts in that this end of the bobbin is provided with a cap or plate F which telescopes the outer end of the bobbin barrel and is secured therein in any one of the several manners hereinbefore pointed out.

The adaptor B, like the bobbin barrel, is circular in cross sectional configuration and is centrally provided with a bore 4 vfor the spindle and at opposite edges of its "is upper end is provided with cut out portions constituting pockets or sockets 5 and 6.

The cap or plate F is a cup-like element comprising a top 7 with depending circumferential side walls 8 from which at opposite points depend lugs 9 and 10 or the like.

Fig. l illustrating the assembled arrangement clearly indicates the manner of operation from which it will be seen that the cap lugs extend downwardly into the adaptor pockets thus providing a positive drive between the bobbin and the adaptor which is rotated through its driving connection with the spindle. The upper end 11 of the spindle extends through the central opening or passageway 12 of the cap.

In many installations it is essential that the inner or lower end of the bobbin be spaced a specific or minimum distance above the spindle whorl. In the present construction and also in the other constructions hereinafter to be described it will be seen that the bobbin cap or plate through its supporting engagement with the outer or upper end of the adaptor will automatically properly position the inner or lower end of the bobbin in respect to the whorl. With a bobbin of the proper length the inner or lower end thereof will terminate at the desired and proper distance from the whorl.

Thus, in the present construction, and also the others to be described, it will be seen that the bobbin cap or plate performs three functions, namely, providing a driving connection between the bobbin and the spindle; supporting the bobbin on the spindle and automatically correctly positioning the inner or lower end of the bobbin in respect to the whorl.

The construction appearing in Figs. 4, 5 and 6 is a reversal of the driving-connection previously described but in this instance the arrangement is illustrated with a straight spindle. The adaptor G in this instance is provided at its inner or lower end with a transversely extending keyway 13 which has driving connection with keys or teeth 14 and 15 formed as a part of the straight spindle H immediately above the whorl 16 thereof. It is conventional to provide a straight spindle with such teeth or the equivalent. There are the same inner and outer bobbin heads D and E on the bobbin barrel C. In this instance the upper end of the adaptor G is provided with transversely extending keys or teeth 17 and 17a. Centrally it is provided with the spindle reception bore 18.

The bobbin cap I is of similar configuration to the previously described cap F in that it comprises a top 19 and a depending side wall 20-with the cap` having the spindle passageway 21. In diametrically opposed positions the cap side wall is provided with slots or keyways In the present spe- 4 22 and 23 for the reception of the keys 17 and 17a on the outer end of the adaptor.

The construction illustrated in Figs. 7 and 8 is a modified arrangement for use with the straight spindle H. The upper end of the adaptor K is cut away to provide three pockets 24, 25 and 26 having straight inner sides or walls 27, 28 and 29.V The bobbin cap L is substantially similar to the described cap F with the exception that it has three depending lugs or teeth 30, 31 and 32 rather than only a pair of such elements. The drive connection between the bobbin cap and the adaptor is clearly illustrated and readily understood from Fig. 8.

The Fig. 9 arrangement differs from the construction appearing in Figs. 7 and 8 in two respects, namely, a tapered spindle 33 and an adaptor being made in two parts. One adaptor part is 'at the outer end of the spindle and is identical in construction to the outer end of the adaptor K but is designated M for clarity of lunderstanding. The second part N of the adaptor is at the inner end of the spindle and comprises a short cylindrical thick disc-like element whichis positioned to be in the inner or lower end of the bobbin barrel. The drive connection operates identical to the drive immediately before described.

This arrangement, for a tapered spindle, by utilizing a two-part adaptor could reduce the cost of production.

The construction in Fig. l0 follows closely but dilfers slightly from the Fig; 1-3 arrangement. Here the outer or upper end of the adaptor O is provided with oppositely positioned circular pockets 34 and 35 for the reception of the pins 36 and 37 carried by the cap or plate P. This plate is in the form of a plug rather than cup-like as in the other forms of the invention. Centrally the plate is provided with a yer ferrule 38 provided with a passageway 39 for the outer end of the straight spindle H.

Fig. l1 is substantially a reversal in the positioning of the drive elements appearing in Fig. l0. The outer end of the adaptor Q is at its opposite sides provided with upstanding keys or teeth 40 and 41 while the plug-like cap or plate R is provided with keyways or slots 42 and 43 at its underside for the reception of the adaptor lugs or teeth. There is the same flyer ferrule 39 in the cap through which passes the outer end of the straight spindle H. The bobbin barrel C has at its outer end the same ange or head E.

An arrangement wherein the spindle is constructed to serve also as an adaptor, that is, the spindle includes an adaptor such as that illustrated in Fig. 4, is illustrated in Fig. l2. A straight spindle 44 is provided with a whorl 45. At the required distance above the whorl the spindle has an enlarged tubular-like portion 46 which is of a diameter slightly less than the interior diameter of the bobbin barrel C. The bobbin is similar to those previously described in that it has the flange or head D at its inner end and the flange or head E at its outer end both of which are secured to the barrel in the manner heretofore described. The bobbin cap or plate S is substantially identical to the cap J heretofore described in that it comprises a top 47 with dependingl side walls from which are cut oppositelyr positioned sockets or keyways 48 and 49 for reception and driving engagement with the outwardly extending key or tooth 50 which traverses the outer end of theV spindle portion 46. The outer end 51 of the spindle extends through the cap top 47.

In certain textile operations the spool or bobbin is commonly referred to as a pirn which in reality is a long transverse bobbin which handles considerably more yarn in the cotton and worsted fields than ldo bobbins utilized with silk, rayon and other like materials. A pirn is provided at its outer end with a knob to facilitate the lifting of the lled pirnor bobbin from the spindle by an operator. The present inventive concept is applicable to pirns and embodiments of the invention in respect thereto are illustrated Figs. 13-15 inclusive.

The saine heretofore described inventive concept is incorporated into the pirn bobbins.

The construction appearing in Figs. 13 and 14 comprises a straight spindle T having at its lower end a whorl 52 above which are the driving teeth 53 and 53a which engage the lower end of the adaptor U in the same manner as described in respect to the Fig. 4 construction. The bobbin barrel V surrounds the adaptor and is provided with an inner large head or ange 57 while its flange or head 58 at its outer end is of smaller size. These heads are secured in position in the manner previously described. The bobbin cap or plate comprises a plug-like portion 59 provided with an outwardly extending knob 60. The plug-like cap or plate is secured in the end of the bobbin barrel in any one of the manners hereinbefore described. The plug and knob are provided with a longitudinal bore 61 which receives the upper end 62 of the spindle. The drive connection Ibetween the adaptor and bobbin cap or plate is similar to that described in respect to Fig. 4 in that it comprises teeth or l-ugs 64 and 64a at the outer end of the adaptor which engage or mesh with suitable transverse slots or channelways 65 and 65a in the inner or under side of the cap plug 59.

Fig. is a slight modification of the construction appearing in Figs. 13 and 14. There is a straight spindle W, an adaptor X surrounded by the bobbin barrel Y having a flange or head 66 at its outer end. The cap or plate Z comprises a cup-like element 67 from the side walls 68 of which are depending fingers or lugs 69 and 70 which seat in sockets '71 and 72 in the outer end of the adaptor. The element 67 is secured in the outer end of the bobbin barrel in any of the manners hereinbefore described and is provided with an outwardly extending knob 73 provided with a longitudinal bore '74 for the reception of the outer end of the spindle.

From the foregoing description and the accompanying drawings it will be seen that the inventive concept can be embodied in numerous specific constructions. Other constructions embodying the inventive concept could be conceived and accordingly the invention is to be limited only by the scope of the hereinafter following and appended claims.

What I claim is:

1. An arrangement of the character described comprising, a spindle adapted to be rotated about its longitudinal axis, an elongated tubular adaptor on and rotatable with the spindle, a bobbin including a hollow barrel open at one end and provided at its other end with a cap, the under side of the cap within the outer end of the bobbin barrel being provided with keyways, and the outer end of the adaptor being provided with lugs disposed within and hav` g driving connection with said cap keyways.

2. An arrangement of the character described comprising a spindle adapted to be rotated about its longitudinal axis, an elongated tubular adaptor on and rotatable with the spindle, a bobbin including a hollow barrel open at one end and provided at its other end with a cap, the bobbin barrel telescopically receiving the adaptor, the outer end of the adaptor having flattened spaced apart side portions, the 4under side of the bobbin cap being provided with depending lugs disposed in the barrel end in the spaces therein provided by the attened sides of the adaptor.

3. An arrangement of the character described comprising, a bobbin including a hollow open ended barrel, a cap secured to and closing an end of the barrel, a spindle, a tubular adaptor of substantially the same length as the bobbin barrel mounted on the spindle, means to rotate the adaptor, the bobbin barrel telescopically receiving through its open end the adaptor, the upper end of the adaptor lying wholly below the cap, and a driving connection between the under side of the bobbin cap and the upper end of the adaptor in the form of a tooth carried by one of said elements and a tooth receiving socket in the other of said elements.

4. An arrangement of the character described comprising, a spindle adapted to be rotated about its longitudinal axis, an enlarged and elongated tubular element surrounding and having driving connection with the spindle, a bobbin including a hollow barrel open at one end and provided at its other end with a cap, said barrel telescopically receiving the tubular element, and a drivin-g connection between the outer end of the tubular element and the under side of the bobbin cap in the form of interlocking lugs and reception sockets therefor.

5. An arrangement of the character described comprising, a spindle adapted to be rotated about its longitudinal axis, an elongated tubular adaptor on and rotatable with the spindle, a bobbin including a hollow barrel open at one end and provided at its other end with a cap, and a driving connection between the outer end of the adaptor and the under side of the bobbin cap in the nature of interlocking lugs and keyways carried by said members.

References Cited in the file of this patent UNITED STATES PATENTS 

